Home / 674,045,300.90-930,101,956.16-372,589,890.68

Finding the Fourth Proportional to 674,045,300.90, 930,101,956.16 and 372,589,890.68

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Solution

The fourth proportional to 674,045,300.90, 930,101,956.16 and 372,589,890.68 is: 514,129,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,045,300.90 : 930,101,956.16 = 372,589,890.68 : x
  2. Step 2: Convert to fraction form
    674,045,300.90/930,101,956.16 = 372,589,890.68/x
  3. Step 3: Cross multiply
    674,045,300.90x = 930,101,956.16 × 372,589,890.68
  4. Step 4: Simplify right side
    674,045,300.90x = 346,546,586,167,370,880
  5. Step 5: Solve for x
    x = 346,546,586,167,370,880/674,045,300.90
  6. Step 6: Final answer
    x = 514,129,518.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.